DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

BANK OF AMERICA CORP /DE/'s Holding History (CIK: 0000070858)

Note: Option positions (PUT/CALL) are excluded.

Q4 2014
Shares 4 Value ($000) $0 Avg Close — Range —
Q3 2014
Shares 75 Value ($000) $1 Avg Close — Range —
Q2 2014
Shares 91 Value ($000) $3 Avg Close — Range —
Q1 2014
Shares 20 Value ($000) $1 Avg Close — Range —
Q4 2013
Shares 720 Value ($000) $24 Avg Close — Range —
Q3 2013
Shares 8,091 Value ($000) $263 Avg Close — Range —
Q2 2013
Shares 16,650 Value ($000) $614 Avg Close — Range —